CN202141776U - Online fault detection system of 10kV fuse protector - Google Patents
Online fault detection system of 10kV fuse protector Download PDFInfo
- Publication number
- CN202141776U CN202141776U CN201120261658U CN201120261658U CN202141776U CN 202141776 U CN202141776 U CN 202141776U CN 201120261658 U CN201120261658 U CN 201120261658U CN 201120261658 U CN201120261658 U CN 201120261658U CN 202141776 U CN202141776 U CN 202141776U
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- fuse
- fuse protector
- receiving end
- voltage
- information processor
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- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 230000001012 protector Effects 0.000 title abstract 8
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 abstract 1
- 230000001052 transient effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Y02B60/50—
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to an online fault detection system of a 10kV fuse protector. The system mainly measures the voltage and current signals of the fuse protector through a voltage sensor and a current sensor on the fuse protector, the voltage and current signals are processed by a central information processor, the central information processor analyzes and judges whether the fuse protector is out of order, and then the information of the fuse protector is sent to the information center through a GSM (Global System for Mobile Communications) communication module, so that the system realizes the online detection and fault warning for the fuse protector. The system has the characteristics of low power dissipation, simpleness, intuition and the like, the economic losses caused by faults of the fuse protector are reduced, and the power supply reliability is increased.
Description
Technical field
The utility model relates to the online detection range of power equipment, particularly the online fault detection system of 10kV fuse.
Background technology
Fuse be a kind of simple in structure, be convenient to the power equipment installing and change, in the middle of electric system, be widely used.Fuse can guarantee the safe operation of power equipment, but because fault in the electric system and fuse self-defect cause fuse that the fusing fault takes place, makes power failure, and might cause great electric power accident and irremediable economic loss.In the present electric system, after the fusing fault took place fuse, the staff can not in time find and handle, and finally causes the generation of major accident.The city load is increasingly high to the reliability requirement of power supply, just must guarantee the reliability service of power distribution network equipment.
To the safety problem that fuse exists, need a kind of low-power consumption, the simple in structure and device that can detect to the fault real-time online of fuse.The utility model mainly is to utilize the voltage-current sensor that is installed on the fuse to measure voltage, the current signal of fuse; And the simulating signal that collects changed into digital signal, by the central information processor analysis, calculate the transient state impedance of fuse; And judge whether fuse breaks down; And the information of fuse is sent to the information monitoring center through the gsm communication module, and be presented on the computing machine of information center, so that the staff in time finds.
Summary of the invention
The purpose of the utility model is the online fault detection system of a kind of 10kV fuse of design; This system is fit to the 10kV fuse of power distribution network is carried out real time on-line monitoring; Can in time find the fault of fuse and potential fault thereof; Reduce electric power accident, improve the reliability of power supply, reduce the loss of power supply department.
The utility model adopts following technical scheme to achieve these goals: the online fault detection system of 10kV fuse comprises data acquisition unit, central information processor, GSM sending and receiving end I, GSM sending and receiving end II, PMU, accumulator and computing machine; Wherein, Saidly be connected with GSM sending and receiving end I through central information processor according to collecting unit; Said GSM sending and receiving end II is connected with computing machine; Accomplish data transmission with communication between said GSM sending and receiving end I and the GSM sending and receiving end II, the output terminal of said accumulator is connected with the input end of PMU, and the output terminal of said PMU is connected with central information processor with data acquisition unit.
Said data acquisition unit is connected and composed with the voltage transformer (VT) summation current transformer respectively by analog to digital converter, and said voltage transformer (VT) summation current transformer is gathered voltage, the current signal of fuse respectively.
Said central information processor receives and the digital signal of the electric current and voltage that deal with data collecting unit 1 is gathered; Calculate the transient state impedance of fuse; Setting value according to voltage, electric current and the impedance of fuse judges whether fuse breaks down; If break down phenomenon, in time send early warning signal.
Said PMU converts the supply voltage of lithium battery to the supply voltage of 3.3V.
The utility model has the advantages that: (1) has low-power consumption, characteristics such as simple, directly perceived, and (2) cost is low, and reliability is high, and the economic loss that is caused by the fuse fault is reduced in (3), improves power supply reliability.
Description of drawings
The device of the utility model can further specify through the indefiniteness embodiment that accompanying drawing provides.
Fig. 1 is the system architecture diagram of the utility model;
Fig. 2 is the operational flowchart of the utility model;
Among the figure: 1-data acquisition unit, 2-central information processor, 3-GSM sending and receiving end I, 4-GSM sending and receiving end II, 5-PMU, 6-accumulator, 7-computing machine.
Embodiment
Further specify below in conjunction with accompanying drawing.
Referring to Fig. 1, the online fault detection system of a kind of 10kV fuse comprises data acquisition unit 1, central information processor 2, GSM sending and receiving end I 3, GSM sending and receiving end II 4, PMU 5, accumulator 6 and computing machine 7; Wherein, Saidly be connected with GSM sending and receiving end I 3 through central information processor 2 according to collecting unit 1; Said GSM sending and receiving end II 4 is connected with computing machine 7; Accomplish data transmission with communication between said GSM sending and receiving end I 3 and the GSM sending and receiving end II 4, the output terminal of said accumulator 6 is connected with the input end of PMU 5, and the output terminal of said PMU 5 is connected with central information processor 2 with data acquisition unit 1.
Said data acquisition unit 1 is connected and composed with the voltage transformer (VT) summation current transformer respectively by analog to digital converter, and said voltage transformer (VT) summation current transformer is gathered voltage, the current signal of fuse respectively.
Referring to Fig. 2, data are adopted the unit and are gathered voltage and current signal via the central information processor computational analysis, judge whether then to break down, and then show early warning information if break down.
The model that each components and parts adopts in the present embodiment is following: central information processor 2 adopts the PIC18F4520 of Microchip company; GSM sending and receiving end I 3 all adopts the TC35i of Siemens Company with GSM sending and receiving end II 4; PMU 5 adopts power conversion chip AMS1117-3.3V, the LC-XD1217 storage battery power supply system that accumulator 6 adopts PANASONIC to produce.
Claims (2)
1. the online fault detection system of 10kV fuse is characterized in that: comprise data acquisition unit (1), central information processor (2), GSM sending and receiving end I (3), GSM sending and receiving end II (4), PMU (5), accumulator (6) and computing machine (7); Wherein, Saidly be connected with GSM sending and receiving end I (3) through central information processor (2) according to collecting unit (1); Said GSM sending and receiving end II (4) is connected with computing machine (7); Accomplish data transmission with communication between said GSM sending and receiving end I (3) and the GSM sending and receiving end II (4); The output terminal of said accumulator (6) is connected with the input end of PMU (5), and the output terminal of said PMU (5) is connected with central information processor (2) with data acquisition unit (1).
2. according to the online fault detection system of the said 10kV fuse of claim 1; It is characterized in that: said data acquisition unit (1) is connected and composed with the voltage transformer (VT) summation current transformer respectively by analog to digital converter, and said voltage transformer (VT) summation current transformer is gathered voltage, the current signal of fuse respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120261658U CN202141776U (en) | 2011-07-22 | 2011-07-22 | Online fault detection system of 10kV fuse protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120261658U CN202141776U (en) | 2011-07-22 | 2011-07-22 | Online fault detection system of 10kV fuse protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202141776U true CN202141776U (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120261658U Expired - Fee Related CN202141776U (en) | 2011-07-22 | 2011-07-22 | Online fault detection system of 10kV fuse protector |
Country Status (1)
| Country | Link |
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| CN (1) | CN202141776U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529355A (en) * | 2013-10-10 | 2014-01-22 | 江苏上能新特变压器有限公司 | Wireless protection device for high-voltage fuse protector |
| CN104166090A (en) * | 2014-07-24 | 2014-11-26 | 李晓静 | Convenient fuse-protector detection and backup device |
| CN105548797A (en) * | 2016-02-24 | 2016-05-04 | 湖南轻创科技有限公司 | Method for detecting fuse through microcomputer, photovoltaic power grid, UPS power source special for computer and artificial intelligent robot |
| CN106327805A (en) * | 2016-08-04 | 2017-01-11 | 常德威迪电气有限责任公司 | Automatic alarm system for fusing device |
| CN108351376A (en) * | 2015-07-20 | 2018-07-31 | 伊顿智能动力有限公司 | electric fuse current sensing system and monitoring method |
| CN112630704A (en) * | 2020-12-22 | 2021-04-09 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Fuse state on-line monitoring device |
-
2011
- 2011-07-22 CN CN201120261658U patent/CN202141776U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529355A (en) * | 2013-10-10 | 2014-01-22 | 江苏上能新特变压器有限公司 | Wireless protection device for high-voltage fuse protector |
| CN104166090A (en) * | 2014-07-24 | 2014-11-26 | 李晓静 | Convenient fuse-protector detection and backup device |
| CN108351376A (en) * | 2015-07-20 | 2018-07-31 | 伊顿智能动力有限公司 | electric fuse current sensing system and monitoring method |
| CN108351376B (en) * | 2015-07-20 | 2020-09-08 | 伊顿智能动力有限公司 | Electrical fuse current sensing system and monitoring method |
| CN105548797A (en) * | 2016-02-24 | 2016-05-04 | 湖南轻创科技有限公司 | Method for detecting fuse through microcomputer, photovoltaic power grid, UPS power source special for computer and artificial intelligent robot |
| CN105548797B (en) * | 2016-02-24 | 2019-04-26 | 范甬挺 | The application of the method and this method of Computed parameter fuse |
| CN106327805A (en) * | 2016-08-04 | 2017-01-11 | 常德威迪电气有限责任公司 | Automatic alarm system for fusing device |
| CN112630704A (en) * | 2020-12-22 | 2021-04-09 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Fuse state on-line monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121126 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121126 Address after: 400060 South Road, Nan'an District, Chongqing, No. 23 Patentee after: Chongqing Electric Power Corporation Nanan Power Supply Bureau Patentee after: State Grid Corporation of China Address before: 400060 South Road, Nan'an District, Chongqing, No. 23 Patentee before: Chongqing Electric Power Corporation Nanan Power Supply Bureau |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20170722 |